UVA666 Rating

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=8&page=show_problem&problem=607 [PDF](https://uva.onlinejudge.org/external/6/p666.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA666/4be9e3f7788af69ca642c5e5d5989a3b106af328.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA666/fd750e78f07cd87c94b59c1be7e014db26782731.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA666/05fd0046ea874781f715643cec8217b74aab1ab0.png)